1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir package convwatch; 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir // import java.awt.Image; 31*cdf0e10cSrcweir import convwatch.ImageHelper; 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 34*cdf0e10cSrcweir abstract class CountPixel 35*cdf0e10cSrcweir { 36*cdf0e10cSrcweir int m_nCount = 0; 37*cdf0e10cSrcweir public int getCount() {return m_nCount;} 38*cdf0e10cSrcweir public abstract void count(int _nRGB); 39*cdf0e10cSrcweir } 40*cdf0e10cSrcweir 41*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 42*cdf0e10cSrcweir class CountNotWhite extends CountPixel 43*cdf0e10cSrcweir { 44*cdf0e10cSrcweir public CountNotWhite() 45*cdf0e10cSrcweir { 46*cdf0e10cSrcweir // System.out.println("CountWhite()"); 47*cdf0e10cSrcweir } 48*cdf0e10cSrcweir 49*cdf0e10cSrcweir public void count(int pixel) 50*cdf0e10cSrcweir { 51*cdf0e10cSrcweir int alpha = (pixel >> 24) & 0xff; 52*cdf0e10cSrcweir int red = (pixel >> 16) & 0xff; 53*cdf0e10cSrcweir int green = (pixel >> 8) & 0xff; 54*cdf0e10cSrcweir int blue = (pixel ) & 0xff; 55*cdf0e10cSrcweir 56*cdf0e10cSrcweir // System.out.println(String.valueOf(red) + ":" + String.valueOf(green) + ":" + String.valueOf(blue)); 57*cdf0e10cSrcweir if (red == 0xff && green == 0xff && blue == 0xff) 58*cdf0e10cSrcweir { 59*cdf0e10cSrcweir return; 60*cdf0e10cSrcweir } 61*cdf0e10cSrcweir m_nCount++; 62*cdf0e10cSrcweir } 63*cdf0e10cSrcweir } 64*cdf0e10cSrcweir 65*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 66*cdf0e10cSrcweir class CountNotBlack extends CountPixel 67*cdf0e10cSrcweir { 68*cdf0e10cSrcweir public CountNotBlack() 69*cdf0e10cSrcweir { 70*cdf0e10cSrcweir // System.out.println("CountBlack()"); 71*cdf0e10cSrcweir } 72*cdf0e10cSrcweir 73*cdf0e10cSrcweir public void count(int pixel) 74*cdf0e10cSrcweir { 75*cdf0e10cSrcweir int alpha = (pixel >> 24) & 0xff; 76*cdf0e10cSrcweir int red = (pixel >> 16) & 0xff; 77*cdf0e10cSrcweir int green = (pixel >> 8) & 0xff; 78*cdf0e10cSrcweir int blue = (pixel ) & 0xff; 79*cdf0e10cSrcweir 80*cdf0e10cSrcweir if (red == 0x00 && green == 0x00 && blue == 0x00) 81*cdf0e10cSrcweir { 82*cdf0e10cSrcweir return; 83*cdf0e10cSrcweir } 84*cdf0e10cSrcweir m_nCount++; 85*cdf0e10cSrcweir } 86*cdf0e10cSrcweir } 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 89*cdf0e10cSrcweir class graphics_stuff 90*cdf0e10cSrcweir { 91*cdf0e10cSrcweir public int stuff() 92*cdf0e10cSrcweir { 93*cdf0e10cSrcweir // (1) decoding 94*cdf0e10cSrcweir int rgba = 0; // ...; // comes from PixelGrabber, BufferedImage.getRGB etc. 95*cdf0e10cSrcweir int red = (rgba >> 16) & 0xff; 96*cdf0e10cSrcweir int green = (rgba >> 8) & 0xff; 97*cdf0e10cSrcweir int blue = rgba & 0xff; 98*cdf0e10cSrcweir int alpha = (rgba >> 24) & 0xff; 99*cdf0e10cSrcweir // (2) now modify red, green, blue and alpha as you like; 100*cdf0e10cSrcweir // make sure that each of the four values stays in the 101*cdf0e10cSrcweir // interval 0 to 255 102*cdf0e10cSrcweir // ... 103*cdf0e10cSrcweir // (3) and encode back to an int, e.g. to give it to MemoryImageSource or 104*cdf0e10cSrcweir // BufferedImage.setRGB 105*cdf0e10cSrcweir rgba = (alpha << 24) | (red << 16) | (green << 8) | blue; 106*cdf0e10cSrcweir return 0; 107*cdf0e10cSrcweir } 108*cdf0e10cSrcweir 109*cdf0e10cSrcweir public static void handlesinglepixel(int x, int y, int pixel) 110*cdf0e10cSrcweir { 111*cdf0e10cSrcweir int alpha = (pixel >> 24) & 0xff; 112*cdf0e10cSrcweir int red = (pixel >> 16) & 0xff; 113*cdf0e10cSrcweir int green = (pixel >> 8) & 0xff; 114*cdf0e10cSrcweir int blue = (pixel ) & 0xff; 115*cdf0e10cSrcweir // Deal with the pixel as necessary... 116*cdf0e10cSrcweir } 117*cdf0e10cSrcweir 118*cdf0e10cSrcweir public static void countPixel(ImageHelper img, int _x, int _y, int _w, int _h, CountPixel _aPixelCounter) 119*cdf0e10cSrcweir { 120*cdf0e10cSrcweir for (int y = 0; y < _h; y++) { 121*cdf0e10cSrcweir for (int x = 0; x < _w; x++) { 122*cdf0e10cSrcweir // handlesinglepixel(x+i, y+j, pixels[j * w + i]); 123*cdf0e10cSrcweir _aPixelCounter.count(img.getPixel(x,y)); 124*cdf0e10cSrcweir } 125*cdf0e10cSrcweir } 126*cdf0e10cSrcweir } 127*cdf0e10cSrcweir public static int countNotWhitePixel(ImageHelper _aImage) 128*cdf0e10cSrcweir { 129*cdf0e10cSrcweir int w = _aImage.getWidth(); 130*cdf0e10cSrcweir int h = _aImage.getHeight(); 131*cdf0e10cSrcweir 132*cdf0e10cSrcweir CountPixel aCountNotWhite = new CountNotWhite(); 133*cdf0e10cSrcweir countPixel(_aImage, 0, 0, w, h, aCountNotWhite); 134*cdf0e10cSrcweir return aCountNotWhite.getCount(); 135*cdf0e10cSrcweir } 136*cdf0e10cSrcweir 137*cdf0e10cSrcweir public static int countNotBlackPixel(ImageHelper _aImage) 138*cdf0e10cSrcweir { 139*cdf0e10cSrcweir int w = _aImage.getWidth(); 140*cdf0e10cSrcweir int h = _aImage.getHeight(); 141*cdf0e10cSrcweir 142*cdf0e10cSrcweir CountPixel aCountNotBlack = new CountNotBlack(); 143*cdf0e10cSrcweir countPixel(_aImage, 0, 0, w, h, aCountNotBlack); 144*cdf0e10cSrcweir return aCountNotBlack.getCount(); 145*cdf0e10cSrcweir } 146*cdf0e10cSrcweir } 147*cdf0e10cSrcweir 148*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 149*cdf0e10cSrcweir 150*cdf0e10cSrcweir public class PixelCounter { 151*cdf0e10cSrcweir // private Image m_aImage; 152*cdf0e10cSrcweir ImageHelper m_aImage; 153*cdf0e10cSrcweir 154*cdf0e10cSrcweir 155*cdf0e10cSrcweir public int countNotWhitePixel(String _sFile) 156*cdf0e10cSrcweir throws java.io.IOException 157*cdf0e10cSrcweir { 158*cdf0e10cSrcweir m_aImage = ImageHelper.createImageHelper(_sFile); 159*cdf0e10cSrcweir int nw = graphics_stuff.countNotWhitePixel(m_aImage); 160*cdf0e10cSrcweir return nw; 161*cdf0e10cSrcweir } 162*cdf0e10cSrcweir 163*cdf0e10cSrcweir public int countNotBlackPixel(String _sFile) 164*cdf0e10cSrcweir throws java.io.IOException 165*cdf0e10cSrcweir { 166*cdf0e10cSrcweir m_aImage = ImageHelper.createImageHelper(_sFile); 167*cdf0e10cSrcweir int nw = graphics_stuff.countNotBlackPixel(m_aImage); 168*cdf0e10cSrcweir return nw; 169*cdf0e10cSrcweir } 170*cdf0e10cSrcweir 171*cdf0e10cSrcweir public static int countNotWhitePixelsFromImage(String _sFile) 172*cdf0e10cSrcweir throws java.io.IOException 173*cdf0e10cSrcweir { 174*cdf0e10cSrcweir PixelCounter a = new PixelCounter(); 175*cdf0e10cSrcweir return a.countNotWhitePixel(_sFile); 176*cdf0e10cSrcweir } 177*cdf0e10cSrcweir 178*cdf0e10cSrcweir public static int countNotBlackPixelsFromImage(String _sFile) 179*cdf0e10cSrcweir throws java.io.IOException 180*cdf0e10cSrcweir { 181*cdf0e10cSrcweir PixelCounter a = new PixelCounter(); 182*cdf0e10cSrcweir return a.countNotBlackPixel(_sFile); 183*cdf0e10cSrcweir } 184*cdf0e10cSrcweir 185*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 186*cdf0e10cSrcweir 187*cdf0e10cSrcweir // public static void main(String[] args) { 188*cdf0e10cSrcweir // 189*cdf0e10cSrcweir // String a = helper.StringHelper.createValueString(10, 4); 190*cdf0e10cSrcweir // int dummy = 1; 191*cdf0e10cSrcweir ///* 192*cdf0e10cSrcweir // BorderRemover a = new BorderRemover(); 193*cdf0e10cSrcweir // try 194*cdf0e10cSrcweir // { 195*cdf0e10cSrcweir // a.createNewImageWithoutBorder(args[0], args[1]); 196*cdf0e10cSrcweir // } 197*cdf0e10cSrcweir // catch(java.io.IOException e) 198*cdf0e10cSrcweir // { 199*cdf0e10cSrcweir // System.out.println("Exception caught."); 200*cdf0e10cSrcweir // } 201*cdf0e10cSrcweir // */ 202*cdf0e10cSrcweir // } 203*cdf0e10cSrcweir 204*cdf0e10cSrcweir } 205*cdf0e10cSrcweir 206*cdf0e10cSrcweir 207